package com.itheima.info.manage.system.dao;

import com.itheima.info.manage.system.domain.Student;

public interface BaseStudentDao {


    public abstract boolean addStudent(Student student);

    /*
    查询所有的学生
     */
    public abstract Student[] findAllStudents();

    public abstract void deleteStudentBySid(String sid);

    //根据sid 找索引
    public abstract int getIndex(String sid);

    public abstract void updateStudent(String sid, Student newStu);


}
